{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["organization", "location", "person", "else"], "input": "Multinational firms including Mobil , Shell and Caltex , were also attracted to Tianjin due to China 's rising demand for lube and oil-based products , the newspaper said ."}
{"organization": ["Mobil", "Shell", "Caltex"], "location": ["Tianjin", "China"], "person": [], "else": []}